M. semitendinosus

Synonyms

german: Half Tendon Muscle

  • To the thigh musculature overview
  • To the musculature overview

At the lower half of the thigh, on the tibial (shin) side, is the semitendinosus muscle

Approach, Origin, Innervation

Approach: Medial (body-centered) next to the tibial tuberosity (Tuberositas tibiae) Origin: ischial tuberosity (Tuber ischiadicum) Innervation: N. tibialis, L 4 – 5, S 1 – 2The M. semitendinosus (half tendon muscle) is contracted by stretching the hip joint and bending the knee joint. This results in the following exercises:

  • Squats
  • Leg press
  • Leg curl

The stretching exercises for the rear part of the thigh are perceived by many as very unpleasant. The athlete stands with closed, stretched legs and tries to touch the tips of his toes with his fingers.

The back should be kept straight. Note: Athletes who cannot perform this exercise usually do not have a shortened muscle, but only immobility. In addition to the M. Semitendinosus, this exercise stretches the M. biceps femoris and the M. Semimemranosus. Note: Athletes who cannot perform this exercise usually do not have a shortened muscle, but only immobility. In addition to the semitendinosus, this exercise stretches the biceps femoris and the semimemranosus.

Function

The M. Semitendinosus causes a flexion of the lower leg. It also acts as an internal rotator of the knee joint and extensor of the hip joint.